Karl Groucho MarxPhoto manipulation by Roberto Rizzato, 2008. Used under Creative Commons license. See the original at Flickr.com
Ah, those glorious days of McCarthyism! In its pursuit of citizens with ties, however tenuous, to the Communist Party, the FBI was hot on the trail of desperados like convicted criminal Julius H. Marx, AKA Graucho Marx. Yes, the comedian was "indicted and convicted" of copyright violation in 1937, according to the report, and yes, the brilliant agent filing the report in 1953 consistently misspelled the name one of the most famous entertainers in the world as "Graucho."
You can read a ten-page excerpt from
Groucho's FBI file at The Smoking Gun.